Ivanpah Solar Electric Generating System

This page provides information on Ivanpah Solar Electric Generating Station, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration. Ivanpah consists of a total of three separate units, Ivanpah 1 has a total capacity of 126 MW and Ivanpah 2 and 3 are both 133 MW each. Upon completion, Ivanpah will be the largest solar thermal power tower system in the world.
Status Date

Background

Technology
Power Tower
Status
Operational
Location

Primm, NV, CA
United States

County
San Bernardino
Lat/Long Location
35°
33'
8.50"
North
115°
27'
30.97"
West
Land Area
3500 acres
Solar Resource
2717 kWh/m2/yr
Source of Solar Resource
NREL Solar Power Prospector
Electricity Generation
1,079,232 MWh/yr Expected/Planned
Key References
Break Ground Date
Start Production Date
Cost (approx)
2,200 USD million
Construction Job-Years
1896
Annual O&M Jobs
90
PPA/Tariff Date
PPA/Tariff Period
25 years
Project Type
Commercial
Incentives
$1.6 billion in federal loan guarantees

Participants

Developer(s)
BrightSource Energy
EPC Contractor
Bechtel Engineering
Generation Offtaker(s)
Pacific Gas & Electric; Southern California Edison

Plant Configuration

Solar Field

Receiver Manufacturer
Riley Power
Heat-Transfer Fluid Type
Water
Heliostat Solar-Field Aperture Area
2,600,000 m²
# of Heliostats
173,500
Heliostat Aperture Area
15 m²
Heliostat Description
Each heliostat consists of two mirrors
Tower Height
459 ft
Receiver Type
Solar receiver steam generator
Receiver Inlet Temperature
480 F
Receiver Outlet Temperature
1050 F
Receiver Temperature Difference
570 F

Power Block

Turbine Capacity (Gross)
392 MW
Turbine Capacity (Net)
377 MW
Turbine Manufacturer
Siemens SST-900
Output Type
Steam Rankine
Power Cycle Pressure
160 bar
Cooling Method
Dry cooling
Gross Annual Solar-to-Electricity Efficiency (Percentage)
29%
Fossil Backup Type
Natural gas

Thermal Storage

Storage Type
None

Project Overview

Project Name: Ivanpah Solar Electric Generating System (ISEGS)
Location: United States
(CA)
Location: Primm, NV (CA)
Owner(s): NRG Energy; BrightSource Energy; Google
Technology: Power Tower
Turbine Capacity (Net):
377 MW
Turbine Capacity (Gross):
392 MW
Status: Operational
Start Year: 2014

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